saber/src/util/preventClick.js

export default {
       install(Vue) {
         Vue.directive('preventClick', {
           inserted(button, bind) {
            button.addEventListener('click', () => {
             if (!button.disabled) {
                 button.disabled = true;
                setTimeout(() => {
                  button.disabled = false
             }, 3*1000)
                }
              })
         }
          })
        }
     }